________ surprises us most is that she doesn't even know _________ the difference between "speak" and "talk" lies.
A. What; where B. What; which C. What; what D. That; where
I’m sorry I got caught in the traffic；________, I could have been here sooner.
A. besides B. although C. anyway D. otherwise
________ it clear to us that he didn’t agree with us, the manager left the meeting room.
A. To make B. Making C. Made D. Having made
He knows it is high time that he ________ at once.
A．quits smoking B. quitted smoking
C．should quit to smoke D. quitted to smoke
I like_________ when the teacher says that my work is satisfactory ________.
A．this；at all B．that; in general C．it；on the whole D．one；in particular
Some of the exercises appear to be ___ ones that you have done, but after taking ___ second look, you will find that they are different.
A. /; the B. the; the C. the; / D. the; a
